Western Waterleaf (Hydrophyllum occidentale)

Western Waterleaf

Hydrophyllum occidentale

Soft, fuzzy foliage adds woodland charm to shaded garden beds. Herbaceous perennial; common name: Western Waterleaf.

Partial sun
1–2/week
Beginner
🌱

Plant Needs

☀️
Sunlight Thrives in dappled shade or partial morning sun; avoid intense direct midday sun that can scorch fuzzy foliage
💧
Watering Keep soil consistently moist but not waterlogged; prefers well-drained, moisture-retentive substrate
🌡️
Temperature Hardy to USDA zones 5–8; tolerates light frost, avoid extreme heat above 28°C which can cause leaf wilting
🔍

Characteristics

  • Leaf: Basal and stem leaves are deeply lobed, fuzzy, with serrated margins; bright medium green.
  • Flower: Clustered bell-shaped blooms in pale blue to lavender; arranged in coiled cymes.
  • Stem: Erect, hairy stems with branching near the top.
🛠️

Care Guide

Watering

Keep soil evenly moist; apply mulch around base to retain moisture and suppress weeds

Fertilization

Light, balanced organic feed once monthly. Avoid over-fertilization, which can lead to leggy growth and reduced flowering

Composted banana peel tea:Steep fully composted banana peels in water for 24 hours; dilute 1:20 for root drench; discard solids to avoid attracting pests or causing odor
Pruning
  • Deadhead spent blooms to encourage tidy, compact growth (optional)
  • Cut back foliage to ground level after flowering to promote fresh basal growth the following season
  • Remove yellowing or damaged leaves promptly to maintain plant health and airflow
⚠️

Toxicity

Warning: this plant may be toxic.

Pets & Humans

Pets: ASPCA: No known toxicity to cats

Humans: No known toxic effects to humans

📖

Garden Uses & Culture

Culture: N/A

Usage: Ornamental woodland garden plant; attracts native bees and pollinators